package demo1;

class Student{

}

class Teacher{

}

class School{
    public Student[] students;
    public Teacher[] teachers;
    public int a;


    public School(){
        this.students = new Student[10];
        this.teachers = new Teacher[10];
        this.a = 10;
    }
}

public class Test3 {
    protected int a = 100;
}

